Essilor Instruments DELTA User Manual

8. Blocking mode
Boxing > optical center and vice versa
9. Blocking compensation
Any change in the total PD results in the symmetry of the right and left PD.
It is possible to start independently with the right eye or the left eye. On the other hand, the change
of the eye must be carried out manually.
b. Legend screen
1. Blocking mode*
◦ Blocking in the boxing
&
center
◦ Blocking in the optical center
For further information, refer to the section Lens Centering > Blocking a lens > Preparing blocking
(F p.62).
2. Minimal diameter of the lens to be used
Delta - Edging System > V1- 02-2020
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USER MANUAL> IV. CENTER AND BLOCK A LENS

Essilor Instruments DELTA Specifications

General

Brand	Essilor Instruments
Model	DELTA
Category	Medical Equipment
Language	English